55370787 has 8 divisors (see below), whose sum is σ = 75628560. Its totient is φ = 36013440.

The previous prime is 55370779. The next prime is 55370797. The reversal of 55370787 is 78707355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55370787 - 2³ = 55370779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55370767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224962 + ... + 225207.

It is an arithmetic number, because the mean of its divisors is an integer number (9453570).

Almost surely, 2^55370787 is an apocalyptic number.

55370787 is a deficient number, since it is larger than the sum of its proper divisors (20257773).

55370787 is a wasteful number, since it uses less digits than its factorization.

55370787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450213.

The product of its (nonzero) digits is 205800, while the sum is 42.

The square root of 55370787 is about 7441.1549506780. The cubic root of 55370787 is about 381.1479299632.

The spelling of 55370787 in words is "fifty-five million, three hundred seventy thousand, seven hundred eighty-seven".